Recessed LED downlights are the most advanced type of downlight available; they out perform halogen and CFL (compact fluorescent lamps) in every way. The main advantages of using LED downlights (or LED spotlights) is that they are long lasting and energy efficient. Providing energy savings of 80-90% compared to halogen and CFL. They cost less to run and will pay for themselves in terms of the energy saved between 1 and 2 years after installation.